Purba, D. M., Siregar, C. and Winanto, I. (2018) “A CORRELATION OF PRE-OPERATIVE LYMPHOCYTES AND MONOCYTES RATIO WITH PROGNOSIS PATIENTS WITH OSTEOSARCOMA”, Jurnal Kesehatan Prima, 11(2), pp. 118–123. doi: 10.32807/jkp.v11i2.5.